[Freeswitch-users] filter * DTMF when using bind_meta_app and gateway that supports inband DTMF

[Bipin Patel]

hi,

i have a SIP gateway which doesn't support info or rfc DTMF so im forced 
with using inband so in my dialplan i use start_dtmf_generate to 
translate from info/RFC used by IP phones to inband so gateway can send 
that ahead, the problem i face is im using bind_meta_app to start a on 
demand recording using *2 so when the local extension presses *2, the * 
DTMF still goes to the gateway inband and 2 is never heard by callee. 
What i want is to filter out the complete *2 so the callee doesn't hear 
those at all but i dont want to drop all dtmf from going to gateway.

Is there a way to filter out selective DTMF like the * or any other star 
codes used in bind_meta_app etc?


-- 
Regards,
Bipin


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